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Finding the Fourth Proportional to 349,137.08, 481,809.10 and 190,161.08

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Solution

The fourth proportional to 349,137.08, 481,809.10 and 190,161.08 is: 262,422.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,137.08 : 481,809.10 = 190,161.08 : x
  2. Step 2: Convert to fraction form
    349,137.08/481,809.10 = 190,161.08/x
  3. Step 3: Cross multiply
    349,137.08x = 481,809.10 × 190,161.08
  4. Step 4: Simplify right side
    349,137.08x = 91,621,338,809.83
  5. Step 5: Solve for x
    x = 91,621,338,809.83/349,137.08
  6. Step 6: Final answer
    x = 262,422.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.